Update default.html

Author: ogmini

_layouts/default.html

@@ -45,6 +45,7 @@ <h1>{{ site.title | default: site.github.repository_name }}</h1>
           <a style="margin-right: 15px" href="{{ site.baseurl }}/talks">Talks/Presentations</a>
           <!--<a style="margin-right: 15px" href="{{ site.baseurl }}/ctf">CTF/Challenge</a>-->
           <a style="margin-right: 15px" href="https://github.com/ogmini">GitHub</a>
+		  <a style="margin-right: 15px" href="{{ site.baseurl }}/search">Search</a>
           <a style="margin-right: 15px" href="/feed.xml" target="_blank">RSS</a> 
         </div>